We've long known that alcohol kills brain cells and that long term alcohol abuse can interfere with mental health. Now, new research has found that while heavy drinking affects both men and women's ability to produce an important mood-controlling neurotransmitter, it affects ladybrains three times faster than it… »11/09/11 6:40pm 11/09/11 6:40pm

A new study shows that depriving male mice of the neurotransmitter serotonin makes them more likely to try to have sex with other males. But scientists note that these findings are not applicable to human sexuality. »3/24/11 11:15am 3/24/11 11:15am